There are dozens of documents of Buddhist certificates among Dunhuang manuscripts,which can be roughly divided into two categories: documents for Laities and documents for Buddhist monks and nuns.These documents are used in certificates ceremony.The ceremony location is the local temples in Dunhuang,such as Temple of the Three Realms,Longxing,Dayun Temple,mostly in Temple of the Three Realms.The ordained master mostly is Michizane monk who lives in Temple of the Three Realms.In this paper,I do a study of changes about three ordained teachers in documents of Buddhist certificates and consider that a small portion of these documents adopted the patterns before Gui Yi Jun,which took Sakyamuni Buddha as a monk,Manjusri as Jiemoacarya,Maitreya Buddha as the professor.And most of documents of Buddhist certificates were made in the period of Gui Yi Jun,which took Amitabha as head of Buddha monk in the altar,Sakyamuni Buddha as Jiemoacarya,and Maitreya Buddha as the professor.The latter highlighted the status of Amitabha.In the final a pattern was established in three divisions head for the altar,which took Amitabha as head of Buddha monk in the altar,Maitreya Buddha as the Jiemoacarya.Maitreya and Amitabha are the leaders in Pure Land faith.They occupy two-thirds in the three divisions of the seats.This reflects the Pure Land Faith has been marked a deep psychological imprint in Dunhuang local people.
